General

  • Target
    crt.exe
  • Size 5.1MB
  • Sample240625-rfa77sthpe
  • SHA256 6185fdacf0b903ea8bb2eee380a0c60e314ad7da93c7833b188c796f3f97b5be
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • socks5systemz

C2
  • bheuiyo.com

  • http://bheuiyo.com/search/?q=67e28dd86554fa2a495aa4197c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4de8889b5e4fa9281ae978a071ea771795af8e05c645db22f31df92d8b38e316a667d307eca743ec4c2b07b52966923a6e8dfd15c5ec96

  • http://bheuiyo.com/search/?q=67e28dd86554fa2a495aa4197c27d78406abdd88be4b12eab517aa5c96bd86e9938745885a8bbc896c58e713bc90c91836b5281fc235a925ed3e03d6bd974a95129070b616e96cc92be20ea778c255bbe258b90d3b4eed3233d1626a8ff810c9ec979e3ece6c

  • bfuzipi.com

  • http://bfuzipi.com/search/?q=67e28dd8685af379125bfd4e7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa49e8889b5e4fa9281ae978f271ea771795af8e05c645db22f31dfe339426fa11a366c350adb719a9577e55b8603e983a608ff612c2eb909939

  • http://bfuzipi.com/search/?q=67e28dd8685af379125bfd4e7c27d78406abdd88be4b12eab517aa5c96bd86ee92824e865a8bbc896c58e713bc90c91c36b5281fc235a925ed3e51d6bd974a95129070b616e96cc92be510b866db52bee348ee4c2b14a82966836f23d7f210c7ee9c9939c96a9514

  • eberzge.ua

  • http://eberzge.ua/search/?q=67e28dd86e09a721465dff1c7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa44e8889b5e4fa9281ae978f771ea771795af8e05c645db22f31dfe339426fa11af66c152adb719a9577e55b8603e983a608ff612c2eb909939

  • http://eberzge.ua/search/?q=67e28dd86e09a721465dff1c7c27d78406abdd88be4b12eab517aa5c96bd86e590834596148ab2865b77f80ebad9cc0f7cb63037ed2ab423a4324383ba915d911ec07bb606a0708727e40ea678c45abbe74ffb0e2807e12571c17f3e83fe16c1e696983fc86c94

  • ccusuvq.net

  • http://ccusuvq.net/search/?q=67e28dd83e55f3201607a91c7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa48e8889b5e4fa9281ae978ff71ea771795af8e05c645db22f31dfe339426fa12a466c553adb719a9577e55b8603e983a608ff612c2eb909939

Targets

    • Target
      crt.exe
    • Size 5.1MB
    • SHA256 6185fdacf0b903ea8bb2eee380a0c60e314ad7da93c7833b188c796f3f97b5be
    • MD5 SHA1 SHA512 SSDEEP
    • Detect Socks5Systemz Payload

    • Socks5Systemz

      Socks5Systemz is a botnet written in C++.

    • Executes dropped EXE

    • Loads dropped DLL

    • Unexpected DNS network traffic destination

      Network traffic to other servers than the configured DNS servers was detected on the DNS port.

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

MITRE ATT&CK Enterprise v15

Tasks